What is 21 Meters per Second in Feet per Second?
21 m/s = 68.897638 ft/s
21 Meters per Second is equal to 68.897638 Feet per Second.
21 m/s × 3.28084 = 68.897638 ft/s
21 Meters per Second is equal to 68.897638 Feet per Second.
21 m/s × 3.28084 = 68.897638 ft/s