This pattern of stepping with different ds along a path has a lot of applications in control theory. Often we change the ds/dt ratio based on the known acceleration profile of a motor to minimize jerk and reach our destination as fast as possible.
Honest question, how do you (or amyone) propose to vet drivers? They require drivers license and car insurance registration, anything like a CDL would make being a driver prohibitively expensive. Their rating system already works as a good signal the few times Ive used uber.
Generally this idea is called motion profiling: https://www.motioncontroltips.com/what-is-a-motion-profile/