Roller coasters are popular attractions at amusement parks. A cart on a roller coaster
approaches the highest point on the coaster. As the cart reaches the top, it slows down.
Which statement best describes the energy of the roller coaster as it slows down while
traveling to the top of the coaster?
A The cart gains both kinetic and potential energy.
B The cart gains kinetic energy and loses potential energy.
C The cart loses kinetic energy and gains potential energy.
D The cart loses both kinetic and potential energy.