Question: Drone blade tip speed was identified as the best predictor for skin abrasion. What tip velocity should the drones be designed to stay below to

Drone blade tip speed was identified as the best predictor for skin abrasion. What tip velocity should the drones be designed to stay below to reduce minor abrasion risk? Drone blade tip speed was identified as the best predictor for skin abrasion. What tip velocity should the drones be designed to stay below to reduce minor abrasion risk? 5 m/s 15 m/s 25 m/s 150 m/s

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