Originally Posted by GARETH T

The relative speeds depends on the observer, and that relative speed will always be the same. If an observer witnesses light travel past from stand still it will be seen to be travelling at the same speed to an observer, to the extreme, travelling with the light. The quicker the observer travels, the slower time will be, although it will appear normal. So at stand still time will be as normal, and for the observer travelling at the speed of light time will stop meaning it doesn't matter anyway