*Question*:What units must be used when calculating speed?

Distance must be in units of metres and time must be in units of seconds.

If other units are used then you will not be calculating an amount of metres per second.

*Question*:What units must be used when calculating speed?

Distance must be in units of metres and time must be in units of seconds.

If other units are used then you will not be calculating an amount of metres per second.