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.
Micons per second (μm/s)
Microns per second (μm/s) is a unit of speed. One meter is equivalent to 1,000,000 microns and this unit is the number of microns travelled in one second.