22kW is atrocious. I calculated the sweet spot for speed in a Chevy Bolt at ~75 MPH if you have access to a 45 kW charger in exactly the spot you need it (near empty). Much faster and it wastes energy faster than it can be replaced by a charger. I'd assume this race was slower than 75 MPH, since the slower charger wouldn't be able to replace the energy as fast.
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