what is the fastest motion that can be measured in any frame of reference? (1 poi\n300,000 km/s\n300,000…

what is the fastest motion that can be measured in any frame of reference? (1 poi\n300,000 km/s\n300,000 m/s\n186,000 m/s\n186,000 km/s
Answer
Brief Explanations:
The speed of light in a vacuum is the fastest speed in any frame of reference, which is approximately 300,000 km/s.
Answer:
300,000 km/s