Is the wiper too fast related to the throttle?

No, according to the information about the car wiper, it shows that the wiper is too fast, which has nothing to do with the throttle. The reason is mostly the problem of wiper sensor or wire control. Try replacing the sensor first and then consider replacing the control module. The so-called wiper is a tool to simply clean the front glass of a motor vehicle in order to prevent rain and other pollutants from affecting the line of sight.