I have this doubt. If Velocity is first order with time and acceleration is second order, they are with respect to earth as we perceive it. As we take this reference as Earth, by principle Earth should be stationary whereas it is not. Suppose I image one stationary object on this universe in some X galaxy and earth is moving with a constant velocity with respect to this stationary object. Then the velocity which we calculate is second order and acceleration is third. May be this what Einstein mentions as curved time in his relativity principle. May be there is some justification for this in physics.
But I have this doubt… I had this for a long time… As I grow older a quantum of time seems very shorter. An hour runs so fast now than ten years before, a day just flies off while it was difficult to end a day years before. Technology grows faster as I get older.
Maybe we are wrongly measuring time. We measure it as linear segments with respect to Earth. If Earth is accelerating in this universe our linearly measured time is not justified. Hence we feel the time shorter as we grow up.
Is Time Nonlinear?
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