A swimmer jumps from a diving board into a pool. What would a graph of the swimmer's potential energy and total mechanical energy look like?

a Potential energy would increase, while total mechanical energy would remain constant.

b Potential energy would remain constant, while total mechanical energy would decrease.

c Potential energy would remain constant, while total mechanical energy would increase.

d Potential energy would decrease, while total mechanical energy would remain constant.

d Potential energy would decrease, while total mechanical energy would remain constant.