Mercedes dominated the first free practice session in Austin, showing an unprecedented difference in speed, especially on the straights. Christian Horner has his suspicions about how his rivals achieved this and even talks about a system that would allow Mercedes to lower the rear end. Horner's theory is supported by onboard footage, which shows that the rear suspension of the Mercedes drops on the straight. This would increase the top speed by reducing the amount of drag. Read more Wolff defensive after engine question: 'You've been fed a lot of bullshit' Movable suspension Mercedes doesn't go unnoticed "If you look at the rear of their car you can see that it moves down on the...
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