Ok, failing that then, decide on a specific shot that you want (coming out of a corner for example), switch to manual focus and pre-focus the area, then you might be able to alter the shutter speed as you like, and see what suits?
I don't know the camera well at all I'm afraid :-(
Poor example, but
http://www.exxale.demon.co.uk/photo/cor1.jpg - That's done with a 1/16th speed, following the car slightly, except the sun came out at the last second and cocked the metering up lol