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← ScienceWhich outcome occurs when an astronaut experiences sustained acceleration?
A)Increased clock rate relative to Earth
B)Decreased clock rate relative to Earth✓
C)Unchanged clock rate occurs
D)Synchronized clock rates across frames
💡 Explanation
Sustained acceleration simulates gravity due to the equivalence principle, causing gravitational time dilation, and thus a decreased clock rate; therefore, the Earth clock is faster rather than remaining unchanged, because it's in weaker gravity.
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