>> I guess my real question is, according to the people on the
>> ship, does it appear to take more and more energy to maintain a
>> constant 1 g acceleration experience or is this only true in the
>> space/time frame of the people on earth? So, according to the people
>> on the ship, you can accelerate at 1 g forever right?
Depends on frame of reference. Aboard the ship, the power required rises indefinitely, as does the perceived velocity relative to the universe due to time dilation and space contraction. On Earth, you simply grow more massive and keep approaching C, with an eventually constant power requirement.
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