Velocity of a rocket The height in feet of a rocket above the ground is given by , for t ≥...

Velocity of a rocket The height in feet of a rocket above the ground is given by , for t ≥ 0.

a. Graph the height function and describe the motion of the rocket.

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b. Find the velocity of the rocket.

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c. Graph the velocity function and determine the approximate time at which the velocity is a maximum.