Test 8000 RPM at Lego Minifigure - Lego Technic Experiment

Is there an easy way to spin a Lego Minifigure up to 10,000 revolutions per minute? How many engines will be required for this? What gears and how many are needed to achieve high revs?

00:00 Testing max RPM with 24 teeth and 8 teeth gears
02:12 OK, let's test 40:24 gears
02:52 Four XL motors and 40:8 gears