In a video game, a flying coconut moves at a constant velocity of 20 meters/second in the positive direction. The coconut hits an obstacle and moves in the opposite direction with a constant velocity of 10 meters/second. What’s the change in velocity of the coconut?


A.

-30 m/s

B.

-10 m/s

C.

10 m/s

D.

30 m/s




15 points