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A motorcycle is moving at a constant velocity of 15 meters/second. Then it starts to accelerate and reaches a velocity of 24 meters/second in 3 seconds.
What’s the acceleration of the motorcycle over this time?
Use .
A. 9 m/s2
B. 8 m/s2
C. 6 m/s2
D. 5 m/s2
E. 3 m/s2