Suppose you are walking on a number line. You are increasing the speed double and the time will be half. Time is also a coordinate. So, we can treat the coordinate as a number line so we can't reach the condition that we (or light or whatever) can't stop time or go to the past by increasing speed. Leave gravity, don't mix those two.

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TopNewestIf you go faster, you increase your mass, which means that you need even more energy to go faster, once u get to 99.9999999999 percent and you want to go to 100 u need infinite energy which is not possible – Will-i-am Guo · 1 year, 10 months ago

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The speed of light is the speed limit of the universe bro. – Will-i-am Guo · 1 year, 10 months ago

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