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Thread: Why heavier aircrafts take longer to slow down in the air?
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Old 23rd Nov 2012, 12:23
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Oldaircrew
 
Join Date: Oct 2007
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The formula for drag is: Cd=1/2Rho x V(sq) x S

Rho = Air density
V= velocity
S= area

By increasing your speed, you increase your drag exponentially and therefore increase your rate of descent.
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