Meaning: an increase in rate of change; "modern science caused an acceleration of cultural change"
acceleration, quickening, speedup
Meaning: the act of accelerating; increasing the speed
Meaning: (physics) a rate of increase of velocity
A gong sounded, and a red light warned him that acceleration was due.
Acceleration had ended, and a simple breakfast was waiting when he awoke.
Prepare for take-off acceleration of one and one-half gravities; that is, everyone will weigh one-half again as much as his normal Earth weight for about fifteen minutes.
It is impossible to overemphasize what a tremendous acceleration Mr. Malone's fine, solitary and generous act gave to the speedy break-down of the Administration's resistance.
This is not a periodic disturbance, like the temporary acceleration of its motion discovered by Laplace, which in a few centuries, more or less, will be reversed; it is a disturbance which always acts one way, and which is therefore cumulative.
All I would say is, that I can go abroad without your family coming forward to favour me,--in short, with a parting Shove of their cold shoulders; and that, upon the whole, I would rather leave England with such impetus as I possess, than derive any acceleration of it from that quarter.