speed; velocity / (physics) velocity

to promise; to make a promise / make an appointment or engagement / be predestined, wait

the speed of sound

acceleration

(speed) per second

breaking news

flash the news

(Japanese phonology and phonetics) a moraic obstruent (the first half of a Japanese geminate obstruent, such as the first [k] in [kk], usually phonologically noted as /Q/, bearing one mora as the coda of a syllable)

low speed

transmission, gearbox (mechanical assembly of gears that changes the torque and speed of shaft rotations)