Famous Speed Of Light Meter/Sec References. Light from a moving source also travels at 300,000 km/sec (186,000 miles/sec). So in that sense the meter is derived from the speed of light.
Determine the time that the light. So in that sense the meter is derived from the speed of light. As mentioned, the speed of light is the fastest speed in the universe, and it is always a constant in a vacuum.
