Question When traveling on a downgrade, a vehicle will: Answers Slow down. Travel at the same rate as on level roadway. Speed up. Likely swerve to the right. Explanation On a downgrade, the force of gravity will cause a vehicle to speed up. Adjust your speed before approaching a hill to reduce overuse of your brakes. Take a FREE Practice Test Now This questions appears in the following tests: Nebraska Knowledge Test Class A , Nevada Knowledge Test Class B , New Hampshire Knowledge Test Class B , New Jersey Knowledge Test Class B , Wyoming Knowledge Test Class B ,