Accelerating and Braking a car

Curves at high speed can be very dangerous, even if you're in sports car with different systems such as stability control, traction control and abs brakes.

John accelerated his sportive car to a speed of 216 km/h , but the road is too sinuous and he had to reduce the speed of his car to 72 km/h in 3 seconds,approximately how much space was traveled by John on this time period?

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