You my friend are easily falling for the hype . They will probably have used fugaku supercomputer. Speeds at which athelete ski does not require the computing power of a supercomputer. It is like designing cars with supercomputer.(that last quote was bu a professor who works on Sunway )Makoto Tsubokura, a professor at Kobe University specializing in fluid engineering said, “such a dream is only possible with Fugaku. With the supercomputer, it is even possible to simulate a huge pattern at high speed and have AI (Artificial Intelligence) make proposals.”
Also read the tweet that I sent.