When you double your speed from 20 to 40 mph, your vehicle's stopping distance is: Do you currently have car insurance? Insurance is mandatory to drive in Ohio Yes I have insurance. But please show me your best quotes. No, please help me find the best insurance. Question When you double your speed from 20 to 40 mph, your vehicle's stopping distance is: Answers Doubled. Tripled. Quadrupled. Explanation Doubling your speed from 20 mph to 40 mph multiplies your stopping distance by four. Adjust your driving accordingly.
