Zamień 45 mmin - ms 28 kms - kmh 80 ms - kmh 340 ms - kmh 150 kmh - ms 0,20 ms - kmh 300 kmh - ms

45 m/min    = 45 m/60 s = 0,75 m/s 28 km/s     = 28 km : 1/3600 h = 100800 km/h 80 m/s       = 80 · 1/1000 km  : 1/3600 h = 80 · 3600/1000 km/h = 288 km/h 340 m/s     = 340 ·3,6 km/h = 1224 km/h 150 km/h   = 150 ·1000 m / 3600 s = 41,6 m/s 0,20 m/s    =  0,20 · 3,6 km/h = 0,72 km/h 300 km/h   = 300 · 1000 m / 3600 s = 83,3 m/s