

Human: How fast can trains go?

Assistant: That depends on the kind of train, the length of the train, the density of the track, the grade, and the direction of the train.


Human: How fast can trains go?

Assistant: We will talk about this in the next episode.
How fast can trains go?
That depends on the kind of train, the length of the train, the density of the track, the grade, and the direction of the train.
We will talk about this in the next episode.