I would suggest that if you are allowed a fan that sucks air from under the car then you can easily achieve pretty much any acceleration. The reason F1 cars do not do this is because suction is limited in F1 for very specific reasons and it goes back to the fatal crash of Ayrton Senna. Basically, a car that relies too much on suction is unsafe to drive because any failure can throw the car out of track with fatal con…
The official cause of Senna's crash was due to a failure of the steering column that was modified before the race. Not du to loss downforce.
https://www.formulanerds.com/features/the-story-and-conspira...
There's still debate on this.