(The roller coaster train slowly moved away from the station and over the top of a tall hill.
As the train began to rush down the hill, the riders felt like they were rising out of their seats! The train sped up until the track flattened out at the bottom of the hill.
At the bottom, the riders felt like they were being pushed down into their seats.)(FOR HELP)

As the train rushed down the hill, gravitational potential energy was converted into kinetic energy.
Which piece of evidence best supports the claim?

A) The people in the train felt like they were being pushed down at the bottom of the hill.
B) The speed of the train increased as the height of the train decreased.
C)The train kept moving when it reached the flat part of the track.