Help with Accelration Car Engine Sound

Hello Im Majed

I been working for racing game and i need to use 3 audios

  • Idle
  • acceleration
  • De acceleration

i need when u hit w for example start sound moves acceleration sound forward with current speed float of the car and rpm engine and when u left the key make de acceleration
and back to idle

i tried to make it by myself i cant because there nothing in unity to move audio backwards seconds and forward any help