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18.1 seconds

Equation is t = √ (2d/g)

t = time = ?

d = distance = 1 mile = 1609.344 metres

g = acceleration due to gravity = 9.8 metres per second2

t = √ (2d/g)

t = √ (2 x 1609.344 / 9.8)

t = √ (2 x 164.2187755)

t = √ 328.437551

t = 18.1228461

This answer does not include any effects of drag.

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13y ago
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