In some states, cities, and areas it is legal.
In other states, cities, and areas, it is illegal.
Wherever you might be driving on the interstate system, you should look for signs
on the right shoulder of the road with large black numbers on them. Your car's
speedometer should not display a speed higher than the numbers on the last
such sign that you passed.
speed means - how fast your going . acceleration - is the change in speed. examples: I was going down the highway at 65mph (current speed). A corvette can accelerate from 30-70mph in 4 sec.
No. The Concorde flew faster than the speed of sound. Nothing can move faster than the speed of light.
The speed of light.
A scalar, since no direction is specified.
Currently there are no regular vehicles that are faster than the speed of sound, although both the Concorde, and its Russian copy were faster than the speed of sound. There are plenty of military aircraft that are faster than the speed of sound. All spacecraft capable of reaching orbit are faster than the speed of sound. There have been two or three experimental vehicles, "cars", that have gone faster than the speed of sound as well.
70mph on some rural interstate highways
55-70mph is top speed of the scooter.
It is a measurement of speed.
70mph
70mph
about 70mph
The top speed is 70mph.
about 34-37mph
70 mph - but some states do not allow that speed.
About 70mph
On highways that are not limited access roadways is may be legal, according to state law. However, it is NOT legal on interstate highways.
70mph