Question: The position vector r describes the path of an object moving in space. Position Vector Time r(t)=ti29tj3t2k,t=4(a) Find the velocity vector, speed, and acceleration vector

The position vector r describes the path of an object moving in space. Position Vector Time r(t)=ti29tj3t2k,t=4(a) Find the velocity vector, speed, and acceleration vector of the object.(D) Evaluate the velocity vector and acceleration vectior of the object at the given value of t.

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