I ran 10 meters in 2.75 seconds, and walked 10 meters in 4.01 seconds. I can calculate my speed by dividing my distance by my time (d/t=s). My running speed is 10/2.75 which approx. = 3.63, so my running speed is approx. 3.63m/s. While my walking speed is 10/4.01 which approx. = 2.5, so my walking speed is approx. 2.5m/s.
My weight is different on other planets because the other planets have a different mass to the earth, and have different levels of gravity based on that, to affect my weight.
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