What is the velocity of an object at t = 0 s if x = a + bt², a = 8.5 m, b = 2.5 m/s²? - KINEMATICS Quiz | GKFix.in

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Question

What is the velocity of an object at t = 0 s if x = a + bt², a = 8.5 m, b = 2.5 m/s²?

A. 2.5 m/s
B. 5.0 m/s
C. 0 m/s
D. 8.5 m/s