Water Falls a Distance of 50

Water falls a distance of 50.0 meters. The specific heat of water is 1.00 cal/g °C. What is the increase in temperature of the water after the fall, in °C? Assume that no energy is transferred to the environment in the process.

A) 0.12
B) 1.03
C) 2.65
D) 5.33
E) 7.50