If wind resistance is not a factor, the 9.8 m/s^2 acceleration due to gravity will increase the skydiver's speed to 92 m/s in about 9.4 seconds.
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(92 m/s)/(9.8 m/s^2) ≈ 9.4 s
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(92 m/s)/(9.8 m/s^2) ≈ 9.4 s