How do you say “velocity” in Vietnamese?

Vietnamese words for “velocity”

• vận tốcListennoun
  Hanoi [vən˧˨ʔ təwk͡p̚˧˦] · Saigon [vəŋ˨˩˨ təwk͡p̚˦˥]vận heavy tốc rising

  velocity

  for “velocity” meaning: A vector quantity that denotes the rate of change of position with respect to time, combining speed with a directional component.

• tốc độListennoun
  Hanoi [təwk͡p̚˧˦ ʔɗo˧˨ʔ] · Saigon [təwk͡p̚˦˥ ʔɗow˨˩˨]tốc rising độ heavy

  speed

  for “velocity” meaning: A rapidity of motion.