question archive The position of an object moving along a line can be modeled by the function: s(t)=kt-0
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The position of an object moving along a line can be modeled by the function:
s(t)=kt-0.81(1-t^2)^3 where s(t) is the position of the object after t seconds after the object is thrown and k is a constant. What is the object's velocity as a function of time?