o. The height (feet) of an object moving vertically is given by s = - 16t288t+216, where t is in seconds. Find the object's velocity at t 4, its maximum height and when it occurs, and its velocity when s 0. The velocity of the object at t4 seconds is (Simplify your answer. Type an integer or a decimal.) ft/second The maximum height occurs at t= seconds. (Simplify your answer. Type an integer or a decimal.) The maximum height is feet (Simplify your answer. Type an integer or a decimal.) feet/second The velocity when s 0 is (Round to the nearest hundredth.)

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