1 if you are going 15000 miles per hour.
18 miles per second
About 4.7 miles per second.
The speed of light is 186,282 miles per second.
70 miles per second is 252,000 miles per hour.
.8 miles/second
52 miles per second = 187,200 miles per hour.
The universe expands 45 miles every second.
44 mph = 0.012 miles per second
186,000 miles per second. This is the 'miles per second' that it takes light to get anywhere in a vacuum.
10000 miles
17,000 mph equates to 4.72 miles per second.
Mars travels about 15 miles in one second in its orbit.