Question: An airplane weighing 28 kN, with a drag-area CDA = 5 m2, lands at sea level at 55 m/s and deploys a drag parachute 3

An airplane weighing 28 kN, with a drag-area CDA = 5 m2, lands at sea level at 55 m/s and deploys a drag parachute 3 m in diameter. No other brakes are applied.
(a) How long will it take the plane to slow down to 20 m/s?
(b) How far will it have traveled in that time?

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