For top loaders this with the case tho, I think the motors on your typical VMW spin at the same speed of the drum. The drum would only be slower than the motor if the bearings were severely worn, the speed sensor is failed, or the hub is stripped.
VMW has a pulley that reduces the motor's speed. The Cabrios were direct drives as there was no belt or pulleys.
Ok, my ignorance will show here to a profound extent but only because I have a very strong dislike for modern machine. Which Whirlpool washers today, if any, are direct drive in the sense of having an inverter driven motor that controls the tub directly?