36Km/h=36Km÷1h=36000m÷3600s=10m/s1m/s=1m÷1s=0.001Km÷(1/3600)h=3.6Km/h，从m/s换算到Km/h，进率是乘以3.61Km/h=1Km÷1h=1000m÷3600s=(1/3.6)m/s，从Km/h换算到m/s，进率是乘以1/3.6
1km=1000m 1h=60min=3600s 所以7.2km/h=2m/s
