For instance, running a 10-minute mile pace through an entire 5-kilometer race would take 31 minutes to complete. At the same pace, you could complete a marathon in 4 hours and 22 minutes (close to the global average time to complete a marathon). Pace (min./mile) Speed (MPH) 5K Finish. 10K Finish. Half-Marathon Finish. Marathon Finish. 6. 10.0 The answer is 16.666666666667. We assume you are converting between metre/minute and kilometre/hour . You can view more details on each measurement unit: m/min or km/h The SI derived unit for speed is the meter/second. 1 meter/second is equal to 60 m/min, or 3.6 km/h. Note that rounding errors may occur, so always check the results. Distance between the home and market = 2.5 km. Total time of travel = 40 min. Speed = 5 km/h and 7.5 km/h. Step 2, Finding the average speed. From home to market, the time taken is time = d v = 2.5 5 = 1 2 hr = 30 min. He returns back with speed of 7.5 km/h in rest of time, that is, 10 minutes. Imagine that you take precisely an hour to run 10 kilometers. Your running pace will be 360 seconds per kilometer (3600 sec/10 km = 360 sec/km), and your speed will be 10 kilometers per hour (10 km/1 h = 10 km/h). You may also be interested in our Steps to Miles Calculator or APFT Calculator (Army Physical Fitness Test Calculator) Final answer: The skier's average speed is 10 km/h.. Explanation: The skier's average speed can be calculated by dividing the total distance covered, 7.5 km, by the time taken, 45 minutes.To convert the time to hours, we divide by 60 minutes in an hour, which gives us 0.75 hours. Therefore, the average speed of the skier is 10 km/h.. Learn more about Average speed here: A man walks on a straight road from his home to a market 2.5 km away with a speed of 5 km/h. Finding the market closed, he instantly turns and walks back home with a speed of 7.5 km/h. The average speed of the man over the interval of time 0 to 40 min, is equal to .

7 5 km h in min km