A car traveling down the interstate accelerates to pass a truck. The car accelerates at a rate of 2.8 m/s2 for 3.9 seconds and reaches a speed of 30.9 m/s. Calculate how fast the car was going before it accelerated to pass the truck. a 86.5 m. s b 27.7 m/s c 20.0 m/s d 41.8 m/s e 16.3 m/s
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