One thousandths of a second.
It depends on which country you are talking about.
i think that it is 694.44444 metres per second
7 miles per second? Don't you mean 7 meters per second?
It could be as little as just over zero (from a fraction of a second before noon to a fraction of a second after) to as much as 12 hours (from a fraction of a second after midnight to a fraction of a second after noon).
One thousandths of a second.
A nano-second is a fraction of 1 x 10-9 a second.
981cm/second/second
300 per second
second
It is about 186,000 miles per second
There are 1000 milliseconds in one second.
Ten dollars per second !!
i second
30
23p
0.001.