When traveling on a downgrade, your vehicle will: Before you start the test, please answer the question below regarding your insurance status. Without insurance you will not be able to drive in Ohio Do you currently have car insurance? Yes I have insurance. Great, you're all set! Click here if you still want to compare rates. No, I need insurance. Click here to compare rates from our insurance partner. Question When traveling on a downgrade, your vehicle will: Answers Slow down. Travel at the same rate as on level roadway. Speed up. Explanation Gravity causes a vehicle's speed to increase when traveling on a downgrade. Adjust your speed before reaching a downgrade. This questions appears in the following tests: Alaska Class B Knowledge Test Alaska Passenger Arkansas Double Hawaii Class A Knowledge Test Hawaii Double Iowa Double Kentucky Double Michigan Passenger Mississippi Class A Knowledge Test New Hampshire Class B Knowledge Test Ohio Passenger Virginia Double Washington Passenger