¿Subimos a esta atracción? Parece muy rápida.

Yes—subir often means to go up, to climb, or to get on. In the context of an amusement park or fair, subir a una atracción means to go on / get on a ride.

So:

• subir = to go up / get on
• subir a una atracción = to go on a ride

It is a very natural way to say this in Spanish.

Spanish often uses the present tense to make suggestions. So ¿Subimos...? literally looks like Do we go up/get on?, but in real usage it means:

• Shall we go on this ride?
• Do you want to go on this ride?
• How about we go on this ride?

This is a very common pattern:

• ¿Vamos? = Shall we go?
• ¿Entramos? = Shall we go in?
• ¿Pedimos algo? = Shall we order something?

So this is a normal, idiomatic way to make a suggestion.

The verb subir often takes a before the thing you get onto.

Examples:

• subir al tren = to get on the train
• subir al autobús = to get on the bus
• subir a una atracción = to get on a ride

So a here is required by the structure of the verb.

Here, atracción means an amusement ride or fairground ride.

Depending on context, atracción can also mean:

• attraction in the tourist sense
• attraction between people

But in this sentence, because of subimos and parece muy rápida, it clearly means a ride.

In Spain, this is a very natural word for rides at a fair or amusement park.

Esta means this, referring to something near the speaker.

• esta atracción = this ride
• esa atracción = that ride

So if the speakers are standing near the ride, esta makes sense.

Also, in modern Spanish, demonstratives like este, esta, ese, esa are normally written without accent marks.

Because esta already works as a demonstrative determiner, like this in English.

So you say:

• esta atracción = this ride

Not:

• esta la atracción

It works the same way as:

• este libro = this book
• esa casa = that house

You normally use either a demonstrative or an article, not both together in this kind of phrase.

Parece means it seems or it looks.

So:

• Parece muy rápida = It seems / looks very fast

This suggests the speaker is judging from appearance, not stating a definite fact.

Compare:

• Es muy rápida = It is very fast
  → a direct statement
• Está muy rápida
  → not natural here
• Parece muy rápida = It looks very fast
  → based on observation

So parece is the best choice if the person is looking at the ride and commenting on how it appears.

Because rápida agrees with atracción, which is a feminine singular noun.

• la atracción → feminine
• therefore: rápida

Agreement in Spanish:

• el tren es rápido
• la atracción es rápida

Even though in English we say fast without changing the word, Spanish adjectives often change to match gender and number.

Yes. Rápido / rápida can mean fast, quick, or rapid, depending on context.

Here, because we are talking about a ride, very fast is the most natural meaning.

So:

• Parece muy rápida = It looks very fast

Because Spanish usually leaves out subject pronouns when the verb form already makes the subject clear.

• subimos already tells you it means we go up / we get on
• so nosotros is unnecessary in most contexts

You could say ¿Nosotros subimos a esta atracción?, but it would usually sound unnatural unless you were adding contrast or emphasis.

Spanish commonly drops pronouns:

• Vamos = We’re going / Let’s go
• Queremos entrar = We want to go in
• Subimos = We get on / Shall we get on

Because only ¿Subimos a esta atracción? is being asked.

The second sentence, Parece muy rápida., is just a statement giving a reason or observation:

• Shall we go on this ride?
• It looks very fast.

Spanish uses ¿ ? for questions and ¡ ! for exclamations, including the opening mark at the beginning.

So the punctuation is:

• ¿Subimos a esta atracción? = question
• Parece muy rápida. = statement

It is especially natural in Spain, where subirse a una atracción or subir a una atracción is very common for rides.

In other Spanish-speaking regions, people may also say things like:

• subirse al juego
• subirse a la máquina
• montarse en una atracción (in some places)

But for Spanish from Spain, this sentence sounds perfectly natural.

Yes, but that changes the structure slightly.

• ¿Subimos a esta atracción? = Shall we go on this ride?
• ¿Nos subimos a esta atracción? = Shall we get on this ride?

Both are possible. The version with nos uses the pronominal form subirse, which often emphasizes getting oneself onto something.

In everyday speech, both can be heard, but ¿Subimos a esta atracción? is simple, natural, and idiomatic.