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In reference frame moving with rocket exhaust speed is constant, so what is with power as speed increase?

If power is const. in this frame, how is possible that at frame at rest power rise? Shouldn't any frame you choose must produce same results in physics?

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    $\begingroup$ The laws are frame independent, but quantities are not necessarily so. Energy is frame-dependent. $\endgroup$
    – John Doty
    Commented Oct 5, 2023 at 20:38
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    $\begingroup$ Does this answer your question? Conservation of mass energy and kinetic energy in different reference frames $\endgroup$
    – Kyle Kanos
    Commented Oct 5, 2023 at 22:06
  • $\begingroup$ There are probably other related questions, but I was afraid that that rabbit hole was too deep. $\endgroup$
    – Kyle Kanos
    Commented Oct 5, 2023 at 22:06

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