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Acceleration Conversions

Exact Approximate

1 m / s2 = 1 / 0.3048 = 3.2808 ft / s2
9 / 2.5 = 3.6 kph / s
1 / 0.44704 = 2.2369 mph / s
900 / 463 = 1.9438 knots / s
1 / 9.80665 = 0.1020 g's

1 ft / s2 = 0.3048 = 0.3048 m / s2
15 / 22 = 0.6818 mph / s
1.09728 = 1.0973 kph / s
274.32 / 463 = 0.5925 knots / s
0.3048 / 9.80665 = 0.0311 g's

1 mph / s = 22 / 15 = 1.4667 ft / s2
0.44704 = 0.447 m / s2
1.609344 = 1.6093 kph / s
402.336 / 463 = 0.8690 knots / s
0.44704 / 9.80665 = 0.0456 g's

1 kph / s = 2.5 / 9 = 0.2778 m / s2
5 / 5.4864 = 0.9113 ft / s2
1 / 1.609344 = 0.6214 mph / s
1 / 1852 = 0.54 knots / s
2.5 / (9 * 9.80665) = 0.0283 g's

1 knot / s = 463 / 900 = 0.5144 m / s2
463 / 274.32 = 1.6878 ft / s2
463 / 402.336 = 1.1508 mph / s
1.852 = 1.852 kph / s
463 / (900 * 9.80665) = 0.0525 g's

1 g = 9.80665 = 9.81 m / s2
9.80665 / 0.3048 = 32.1740 ft / s2
9.80665 [ 3600 / (5280 * 0.3048)] = 21.9369 mph / s
3.6 * 9.80665 = 35.3039 kph / s
3600 * 9.80665 / 1852 = 19.0626 knots / s

g = 9.80665 m/s2 by International Definition
ft/s2 = feet per second per second
m/s2 = meters per second per second
mph/s = miles per hour per second
kph/s = kilometers per hour per second
knots/s = nautical miles per hour per second

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ft/s2, m/s2, mph/s, kph/s, knots/s, & g's.


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