Water Runs Out of a Horizontal Drainpipe at the Rate

Multiple Choice

Water runs out of a horizontal drainpipe at the rate of 120. liters per minute. It falls 3.20 m to the ground. Assuming the water doesn't splash up, what average force does it exert on the ground?

A) 15.8 N
B) 6.20 N
C) 8.88 N
D) 12.0 N
E) 19.6 N