D. The energy transfer he is experiencing is Chemical to kinetic.
The principle of conservation of energy states that energy can neither be created nor destroyed but can be converted from one form to another.
The apple eaten by the bungee jumper will provide chemical energy which will be converted into kinetic energy of the jumper once he is in motion.
Thus, the energy transfer he is experiencing is Chemical to kinetic.
Learn more about kinetic energy here: https://brainly.com/question/25959744
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