the speed of light
What distance per picosecond ?
At the speed of light, which is 299,792,458 metres per second.
186,282.4 miles per second.
The speed of light in water is about 225,400 kilometres per second.
it travels at about 128,609 miles per second!
At approx 300,000 km per second.
the speed of light 186,300 miles per second
Exactly 299,792.548 meters per second.
About 1100 feet per second, which is the speed of sound.
The speed of light in vacuum is:186,282 miles per second.299,792,458 meters per second.
It travels at approx 220,000,000 metres per second.
About 186,000 miles per hour or 300,000 kilometers per hour.