"Bubbles" > wrote in message
ink.net...
> Today while at a stoplight the bugger behind me hit me when the light
turned
> green. I guess they didn't wait to see if I started moving. Anyway no
damage
> to the bumper so I just let it go. However it got me thinking of some
> things:
>
> 1. How fast could the car have been going in that short period of time?
> 2. Are all rear bumpers generally rated for only 5mph? And what exactly
does
> that mean?
> 3. How fast do you have to be hit for whiplash to occur? No I do not have
> any pain.

Was your headrest adjusted properly?