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Which outcome occurs when a GPS satellite's gravitational potential increases?

A)Atomic clocks run slightly faster
B)Orbital speed spontaneously slightly lowers
C)Gravitational drag immediately slightly increases
D)Photons redshift less noticeably overall

💡 Explanation

Gravitational time dilation affects satellite clocks; an increase in gravitational potential causes atomic clocks to run faster because of Einstein's equivalence principle. Therefore time runs faster, rather than speed changes or gravitational drag increases as those are dependent on separate factors.

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