A rocket is fired vertically upward from the ground. The distance s in feet that the rocket travels from the ground afte
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A rocket is fired vertically upward from the ground. The distance s in feet that the rocket travels from the ground afte
A rocket is fired vertically upward from the ground. The distance s in feet that the rocket travels from the ground after t seconds is given by s(t)=-12t² + 457t. (a) Find the velocity of the rocket 7 seconds after being fired. feet/sec (b) Find the acceleration of the rocket 7 seconds after being fired feet/sec²
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