accelerating

To cause to move faster; to quicken the motion of; to add to the speed of.

To quicken the natural or ordinary progression or process of.

“to accelerate the growth of a plant, the increase of wealth, etc.”

To cause a change of velocity.

To hasten, as the occurrence of an event.

“to accelerate our departure”

To enable a student to finish a course of study in less than normal time.

To become faster; to begin to move more quickly.

Grow; increase.

An act of acceleration.

“the acceleratings and brakings of a vehicle”