Editing DC Sidekicks in WWII (House Rules)

=House Rule #1A=
 Noncombat speeds
 
This is what I don't like about M&M is that movment speeds are vague and reality is the differance between a world record runner and an average runner are fractions of a an ability piont.
 
Human speeds are about:
 Average walking is 4 m/s or 4 to 5.5 km/hr or 2.5 to 3.5 mph 
Maximum short distance human speed is about 12 m/s or 26.8 mph which jives with the chart 
BUT maximum marthon speed is about 19 Kphs or 12 miles per hour.
 
It been said in a short race a man can beat a horse, but after 20 yards, the horse is unbeatable. 

Keep in mind these are human maximum, not 0.
 Lets say that world class ability is ability of 3 (Note World record STR requires a lift of about 4 or 3 and +1 to skill)
 
At level 3 you can run 16 mph for long distances (Several miles) or about twice that for short distances 

That means at at 0 an out of shape joe smoe with no athletics can run 2.5 miles an hour for a long distance. (Not much differnt from walking at a brisk pace.
 
Mighty Maid's Level 7 flight mean she can fly at 320 mph
 Amazon Kid has running at 2 and athletics lets Kid add +1 to speed meaning Kid is running at 20 miles an hour. (Add extra effort and he is running at an inhuman 40 PH As fast as an ostrich but not as fast as a cheetch at 70 mph.
 

=House Rule #1B=
 Noncombat speeds
 Noncombat speed reflects not only speed but familiarity in combat.
 Also a combat round is about six seconds
 so a trained expert can run 72 meters in six seconds. Round down to a practical number to compensate for the time - lets say 64 yards/meter per round. (That still a lot compared to professonal footbal player.)
 
That means a average person can move 8 meters/yards in combat Half that if he going to attack. 

Opinions?
 
=House Rule #1C=
 Differnt modes.
 If you have differnt ways to move IE FLying Running and leapin and running, you do not add them but pick teh hightest.
 However you can combine them.
 If you have Running at 7 and flight at 2 you can run a short strech of water fly over crevases at speed 2.