Do you currently have car insurance? Insurance is mandatory to drive in California Yes I have insurance. But please show me your best quotes. No, please help me find the best insurance. Question On any upgrade, gravity will: Answers Speed up your vehicle. Slow down your vehicle. Not impact the speed of your vehicle. Cause your vehicle to swerve to the left. Explanation When driving uphill, you are fighting the force of gravity, which will slow down your vehicle. Take a FREE Practice Test Now This questions appears in the following tests: New Hampshire Knowledge Test Class A , South Carolina Knowledge Test Class B , West Virginia Passenger ,