Meanings

rapid-transit train

fast-breeder reactor

high-speed photography

high-speed photography

high-speed steel

escape velocity

same-day special delivery

erythrocyte sedimentation rate

speed of a moving fluid

gearbox

anemometer

Tokyo-Nagoya Expressway

to quicken one's pace (steps)

to ease up the speed

to slow down

group velocity (in fibre optics, fiber optics)

phase velocity

subsonic speed

(particle) accelerator

speed of sound