It depends on what you mean by "how fast?" A bullet that covers 1000m in 3 seconds is travelling 333.33333333 meters per second.
That's easy, if the car is initially traveling at 25 meters per second and gradually accelerates 3 meters per second for 6 seconds then the car is traveling at 43 meters per second.
If you traveled 100 meters in 30 seconds, then you would be traveling at 3.333... meters per second, or 200 meters per minute, or 12 kilometers per hour (7.45 miles/hour).
400 meters in 20 seconds = 44.74 mph
1400 RPM is 1400 revolutions per minute, or about 23.33 revolutions per second, or about 0.04286 seconds per revolution.
1000 meters in 60.6 seconds = 36.91 mph
Fast Real Fast
900 meters/30 seconds = 30 meters/second
my Friend is 5sec faster per 200 meters
Yes, it is very fast because the average for a thirteen year-old in 40 meters is about 7 seconds
12.6 seconds, walcott runs in 10.3 seconds
both are just as fast although the one going 10 meters in five seconds is probably accelerating faster...
4.5 meters in 9 seconds is 1.8 kilometers per hour.
Use the formula: Speed = distance / time. If you divide meters / seconds, the speed will obviously be in meters/second.
This equates to approximately 113.64 mph
100 meters in 7.1 seconds
100m in 11.2 seconds :D
5.3 seconds for 100 yards.