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The position of a car moving along a straight road at time t(in seconds) is given by the function S(t) = (5T squared+10t) meters. Find

The position of a car moving along a straight road at time t(in seconds) is given by the function S(t) = (5T squared+10t) meters. Find the velocity of the car at time t using first principles (using the definition of velocity as the rate of change of position with respect to time).

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