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Performancehard#635

The minimum aquaplaning speed for a tyre on a wet runway is approximately:

A

6.34 × √(tyre pressure in psi)

B

7.7 × √(tyre pressure in psi)

C

12 × √(tyre pressure in psi)

D

9 × √(tyre pressure in psi)

Correct

Explanation

The NASA formula for dynamic aquaplaning speed is VP = 9 × √(tyre pressure in psi) in knots.

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