Working brakes are mechanically able to stop an out of control engine. The limit is how much force a person can apply to the brake pedal. NHTSA and manufacture

Working brakes are mechanically able to stop an out of control engine. The limit is how much force a person can apply to the brake pedal. NHTSA and manufacturers target a 5th percentile person being able to stop the car, assuming power braking is still working. PDF https://www.autosafety.org/wp-content/uploads/2015/03/The-Brakes-Will-Not-Always-Overcome-the-Engine.pdf https://www.autosafety.org/wp-content/uploads/2015/03/The-Br...