Final speed of the car, v = 80.2 km/h
Covert the units of speed in m/s.
v = (80.2 x 1000) / (60 x 60) = 22.28 m/s
Average acceleration = change in velocity / change in time
= (22.28 - 0) / 8.16 = 22.28 / 8.16 = 2.73 m/s^2 (Answer)
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