A DJI Mavic travels in a straight line. Its distance x from the airport is given as a function of time t by the equation x(t) below. Calculate the INSTANTANEOUS VELOCITY at t = 3.50s. x(t) = at² – Bt³ where α - 1.50m/s B = 0.0500 m/s³ 4.01m/s 8.66m/s 9.98m/s 12.34m/s
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