A person skateboarding is part of a closed system that has 1,450 J of mechanical energy. If the kinetic energy of the person increases from 200 J
to 825 J, what happens to the gravitational potential energy of the system?
O A. It decreases from 1,250 J to 625 J.
B. It decreases from 1,450 J to 1,025 J.
C. It increases from 1,250 J to 2,075 J.
O D. It increases from 625 J to 1,250 J.
I