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When it’s raining, which gets you wetter—running or walking? (The “Run in the Rain” Formula)

Author: tonagaiExecutions: 1873
TOP/Shared Formulas (Life)/Practical

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I will calculate the “Runnin’ in the Rain Formula” (RiR), which appeared in an article by Hiroo Ito titled “The Runnin’ in the Rain Formula: The Difference in How Wet You Get When Running vs. Walking in the Rain” in the June 2020 issue of Math Seminar.
Assuming there is no strong crosswind, and setting the amount a person of average build gets wet while walking at a normal pace in rain (not drizzle) to 1, RiR(x) is the amount that person gets wet when walking or running at x times that speed.
The minimum multiple of walking speed at which one runs
The maximum multiple of walking speed at which one can run
Number of divisions

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