10.63 m/s
95.5 mph
Distance = Rate * Time or, for our purposes Rate = Distance/Time Rate = 400.0 m/45.0 s = 8.89 meters per second ----------------------------------
~10.2 meters per second.
The fastest male 100m sprinters in the world average above 30 kph. For example, Usain Bolt's world record time of 9.58 seconds translates to an average speed of approximately 37.58 kph. This performance indicates that elite sprinters not only exceed the 30 kph mark but significantly surpass it during their races.
Just divide the distance by the time. That will give you the speed, in meters/second. If you want kilometers/hour, multiply the result of the division by 3.6.
A sprinter's AVERAGE SPEED is calculated by taking the total distance traveled (usually in meters) and dividing that by the total time taken (usually to the nearest 1/100th of a second). Therefore if a sprinter ran the 100 meter dash in 9.69 seconds his AVERAGE SPEED would be 100m / 9.69 seconds or 10.32 meters / second. To convert meters / second to kilometers / hour: multiply meters / second by 3.6. Therefore 10.32 m/s = 37.15 km/hr. To convert km/hr into miles/hr (mph) multiply by .62. Therefore 37.15 km/hr = 23.03 mph. So you see Usain Bolt isn't even fast enough to get a speeding ticket in a 25mph residential neighborhood!
Over short distances the average person can run 100m in fifteen to twenty seconds. professional sprinters can take it down to nine seconds, or less. However, marathon running is a almost completely different from sprinting. How fast you are over a short distance may not be applicable to a longer distance.
No you can outrun bees
The average speed of a 100-meter sprint varies depending on the athlete's performance. Elite male sprinters can achieve speeds of around 37 to 40 km/h (23 to 25 mph), completing the distance in approximately 9.5 to 10 seconds. Elite female sprinters typically run at speeds of about 30 to 35 km/h (19 to 22 mph), finishing in around 10.5 to 11 seconds. Recreational runners may have average speeds significantly lower, often taking 12 to 15 seconds or more to complete the sprint.
The average acceleration of the sprinter can be calculated using the formula ( a = \frac{v_f - v_i}{t} ), where ( v_f = 11.5 , \text{m/s} ), ( v_i = 0 , \text{m/s} ), and ( t = 15 , \text{m} ). Substituting these values into the formula gives an average acceleration of approximately 0.77 m/s².
Well, honey, if a sprinter runs 100 meters in 10 seconds, you just divide the distance by the time. So, 100 meters divided by 10 seconds equals 10 meters per second. That's the average speed of your speedy little sprinter.
Distance = time * average speed (velocity) Average speed = Distance/time