An example of the conversion of gravitational potential energy into kinetic energy is
a
a hockey puck sliding on ice
b
a raindrop
c
a football player running with the ball
d
the running motor in a car
e
a burning candle
a hockey puck sliding on ice
Nonsense, has to fall and speed up. Try a raindrop !
(1/2) m v^2 = m g h