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2014-10-06T21:18:04+03:00
360km/h = 360 000m/3 600s = 100m/s
7 200m/h = 7 200m/3 600s = 2m/s
1,2km/min = 1 200m/60s = 20m/s
72km/min = 72 000m/60s = 1 200m/s
180dm/min = 18m/60s = 0.3m/s
10.8km/min = 10 800m/60s = 180m/s
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