Jack B. Nimble has a reputation for jumping over candle sticks. Just for kicks, do a new jump with some new tricks. His position will be given by the equatic s(t) = -t³ + 4t² – 2t where t is measured in seconds and s in meters. (a) Find Jack's velocity at time t. (b) What is his velocity after 3 s? (c) What is his acceleration at time t?

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