A 48.8-second 440 (yards) equates to a time of 48.517seconds in the 400m
28.65 seconds for 50 yards would be the same as 31.33 seconds for 50 meters.
400 meters/80 seconds = 5 meters/second.
it would take 75 seconds
2 seconds
If you walked 10 metres in 3 seconds, it would take 30 seconds to walk 1oo metres.
11.05 seconds
Your time in the 100m would be 13.85 seconds.
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).
200 meters in 27.6 seconds equates to 16.21 miles per hour.
It would convert to 10.5 seconds for 100 meters.
Ignoring air resistance, it would be 706 meters .
10 metres in 5 seconds or 2 metres per second.