Millimeters per second (mm/s)
Millimeters per second (mm/s) is a unit of speed. One meter is equivalent to 1000 millimeters and this unit is the number of millimeters travelled in one second.
Centimeters per second (cm/s)
Centimeters per second (cm/s) is a unit of speed. One meter is equivalent to 100 centimeters and this unit is the number of centimeters travelled in one second.