The designers of a particle accelerators use electromagnetic fields to boost particles to relativistic speeds while at the same time constraining them to move in a circular path inside a donut shaped evacuated cavity. imagine a particle travelling in such an accelerator in a circular path of radius 7.01 m at a constant speed of .9994 (as measured by laboratory observers). Let event A be the particle passing a certain point on its circular path, and let event B be the particle passing the point of the circle directly opposite that point. What are the coordinate time delta t and the distance delta d between these events in the laboratory frame?