Chase Elliott, like many NASCAR Cup Series drivers, is concerned about the safety of the Next Gen car, which made its debut this season. His and his competitors’ sentiments are extremely understandable, as multiple drivers have said many of the hits and impacts have felt much harder this season in the new car compared with previous years. And two drivers, Kurt Busch and Alex Bowman, have been sidelined this season with concussion-like symptoms following wrecks. Busch has not raced since July after his concussion symptoms appeared following a wreck at Pocono Raceway. And now, Bowman announced Thursday that he won’t…