Joshua hooks a rubber band between his thumb and forefinger. he moves his fingers apart, stretching the rubber band. with a quick, sudden motion, he bends his thumb forward so that the rubber band slips off. what happens next? a. the chemical potential energy stored in joshua's body changes to elastic potential energy in the rubber band. b. the elastic potential energy stored in the rubber band changes to heat energy. c. the chemical potential energy stored in joshua's body changes to kinetic energy. d. the elastic potential energy stored in the stretched rubber band changes to kinetic energy.