From the Fox Twitter page, just as I thought, following NASCAR is the ticket to high ratings. Sponsors have to be happy about this.
WOW! @NHRA #SouthernNats from @AtlantaDragway scored 1,367,000 viewers on @FS1, most since at least '02; more than double 2015.
WOW! @NHRA #SouthernNats from @AtlantaDragway scored 1,367,000 viewers on @FS1, most since at least '02; more than double 2015.