An 80.0 kg man playing hockey catches a puck moving at 20.0 m/s. The man is initially at rest. The man and puck move together after the collision. The puck's mass is 0.17 kg. What is the final velocity?
A. 0.04 m/s
B. 8.00 m/s
C. 4.00 m/s
D. 0.08 m/s