Respuesta :
9 km/hr=
9000m/hr=
9000m/60mins=
9000m/3600seconds=
30m/12seconds=
10m/4seconds=
5m/2seconds
2.5m/1second
9000m/hr=
9000m/60mins=
9000m/3600seconds=
30m/12seconds=
10m/4seconds=
5m/2seconds
2.5m/1second