Michael is looking for examples of energy at the park. He notices a mother pushing her child on a swing. He graphs the number of back-and-forth swings that the child completes each minute. Which of these describes the pattern in the graph?
A.The mother decreased the force of her push on the swing.
B.The potential energy and speed of the swing decreased over time.
C.The energy of the child on the swing changed from kinetic to potential.
D.The kinetic energy of the child on the swing increased over time