Question: A rocket blasts off and moves straight upward from the launch pad with constant acceleration. After 2.8 s the rocket is at a height of

A rocket blasts off and moves straight upward from the launch pad with constant acceleration. After 2.8 s the rocket is at a height of 91 m. (a) What are the magnitude and direction of the rocket's acceleration? (b) What is its speed at this time?

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