Acceleration

/əkˌsɛl.əˈreɪ.ʃən/

Synonyms

  • hastening
  • increase in speed
  • quickening
  • speeding up

Slang Meanings

Gotta accelerate.
When the light turns green, it's time to accelerate!
Hit the gas.
As soon as you merge onto the highway, hit the gas for that quick acceleration.