Kairos
Senior Member
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Since speed is the distance traveled per unit of time what is the speed in an area with slowed time?
Time and space are part of the same thing, and both subject to relativistic effects together. Also, relativistic effects are noticeable to observers in a different frame of reference. If I am in a spaceship under constant acceleration, time seems to flow just like it always did to me. But if I were able to observe you somehow on the Earth at the same time, it would seem like you are moving very, very fast, even though time would seem to be flowing just the same to you as always.
As you accelerate, the universe seems to get smaller and smaller. A trip to Alpha Centauri under a constant 1 g acceleration would only be a few years to me, but to you it would seem like I took many more years than it did to me.