Question: A motorist drives along a straight road at a constant speed of 60 m/s. At time t = 0 she passes a parked motorcycle police officer. The officer takes off after her at t = 0 and accelerates according to the formula a(t) = bt, where t is the time and b is a positive constant.
Part A: What is the speed of the police officer when he reaches the motorist?
I need help to find the speed of the police officer when he reaches the motorist.