Answer:
The power delivered to the wheels of the car is proportional to the acceleration. When the engine delivers 4 times the power, the acceleration will also be 4 times as much. The time it takes to reach a certain velocity is inversely proportional to the acceleration. So, if the acceleration is 4 times as much, the time to reach a certain velocity will be 1/4 of the original time.
Original time to reach 50 m/s: 7 seconds
New time with 4 times the acceleration: 7 seconds / 4 = 1.75 seconds
So, it would take 1.75 seconds to reach 50 m/s with 4 times the power delivered to the wheels.
Step-by-step explanation:
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