noun
accelerator pedal; gas pedal
Refers specifically to the foot pedal in a vehicle that controls engine speed. Often used in the compound アクセルペダル.
from English accel(erator)
See also: アクセルペダル
アクセルを踏んでスピードを上げた。
I stepped on the accelerator to increase speed.
急
It's dangerous to suddenly take your foot off the gas pedal.