Assume that a person bouncing a ball represents a closed system. Which statement best describes how the amounts of the ball's potential and kinetic energy change?
A. Both the kinetic and potential energy of the ball increase
B.The ball's potential energy decreases as it rises and it's kinetic energy increases
C. The ball's kinetic energy increases as it falls and its potential energy decreases
D. Both the kinetic and potential energy of the ball decrease
PLEASE HELP ME ASAP THIS IS IMPORTANT