speed skating (the sport of racing around an oval course on ice skates)

plural of compteur de vitesse

plural of régulateur de vitesse

(informal) at full tilt, full throttle, full bore

at full tilt, at full speed, at full throttle

(transitive) to get a jump on, to beat to the punch, to outpace, to overtake

cruising speed / stride (pace at which one feels comfortable and things are going smoothly)

speed of sound (speed at which sound is propagated through some medium under specified conditions)

speed of light (the speed of electromagnetic radiation in a vacuum or in a substance)

(rail transport) a high-speed train