Usain Bolt has won 9 gold medals in last 3 Olympics and he has run less than 2 mins on the track.
That’s economy of effort…
Usain Bolt ran for less than 115 sec in total in his 3 Olympics career and made $119 Million!
That’s more than $1 Million for each second he ran!
That’s a new unit of speed for the “run” for money… $ 1 Million /sec
But for those 2 mins he trained for 15+ years ! That’s investment…
ekoshapu 
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