It’s nearly time for the Las Vegas Grand Prix.Formula 1’s impact in the United States has increased significantly. If the fanfare in Las Vegas didn’t prove it, then three races and the possibility of an American race team joining the fold does. And so do the betting markets.CLICK HERE FOR MORE SPORTS COVERAGE ON FOXNEWS.COM"I think it was a slow burner initially," Caesars Sportsbook Senior Trader Chris Pearce told Fox News Digital. "I think recently, because there’s more and more Grands Prix in the Northern Hemisphere, and in the U.S., especially with the Austin Grand Prix as well as Vegas, it is