maintaining enough room between you and the vessel ahead to be able to stop or avoid collision
It is called a definition.
There are different types of speed formulas: Speed= Wavelength(frequency) or Speed= Distance/Time
c=3.8x10^8
The definition of speed is the size/magnitude/measure of an object's velocity. Average speed = distance divided by time
Averaged speed = distance traveled during some time/time to cover the distance .
It is called a definition.
Depending on the definition of safe; very, very safe.
NO! Depends on your definition of safe?
The definition of the speed of light in a vacuum is 300,000,000 meters/sec, or 186,000 miles/sec.
Initial speed is the original, beginning speed of an object.
If the posted speed is not safe at that time
they are fast
Quickness, speed
Depends on your definition of safe.
A haven is a safe place, usually a safe harbour.
"instantaneous speed"
Great speed is faster than normal.