In the image below, choose your response to the multiple choice question of which statement best describes how energy changes as the boy moves? * 5 points
A. Potential energy increases from point X to point Y and kinetic energy decreases from point Y to point Z
B. Potential energy of his motion from point X to point Y is converted to a force that moves him up the hill to point Z
C. Kinetic energy of his motion from point X to point Y is converted to a force that moves him up the hill to point Z
D. Potential energy decreases from point X to point Y and kinetic energy decreases from point y to point Z