Question When traveling down a hill: Answers Your speed will not change. Your speed will decrease. Your speed will increase. You will slow to a stop. Explanation When a vehicle is traveling on a downward slope, the force of gravity will cause its speed to increase. This questions appears in the following tests: Delaware Class A Knowledge Test Georgia Class B Knowledge Test Mississippi Class B Knowledge Test Montana Class A Knowledge Test Nebraska Double Nevada Class A Knowledge Test North Carolina Class B Knowledge Test Oregon Class B Knowledge Test Pennsylvania Double South Carolina Tank Tennessee Double Texas Passenger Utah Class B Knowledge Test Wisconsin Passenger