[Darksheare]

Depends on how 'deep' the rift in space-time is, how fast you want to get there to your point of view, and how the rift is generated.

[Fedora]

"Depends on how 'deep' the rift in space-time is, how fast you want to get there to your point of view, and how the rift is generated."

Hmmm--seems like it'd be much less complicated to just accelerate past the speed of light in Superman/Flash-like fashion. . .