Depending on how much you know about engine technologies and turbo chargers specifically, you may not know just how fast those little turbos rotate. While the pistons and crankshaft in the Infiniti Q50 spin to the tune of thousands of RPMs, the turbos are flying around in the hundreds of thousands of RPMs range.

Specifically Infiniti has said that the twin turbos used on the Q50 spin at up to 220,000 RPMs when the car is driven hard. The Q50 will have the option of being fitted with a turbine speed sensor that will tell the driver just how fast the turbos are spinning.
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https://www.slashgear.com/infiniti-q50-v6-turbos-spin-at-up-to-220k-rpm-17418903/