Yeah, in cases like this it is just physics. Propably not much you could have done. She cuy into the space between you and the car in front, the normal reaction

Yeah, in cases like this it is just physics. Propably not much you could have done. She cuy into the space between you and the car in front, the normal reaction is to lift the foot to increase distance again. If the new car hits the brakes, no chance to not rear end it...