CinemaBlend Ever since Dominic Toretto started talking about the importance of family in the ever popular Fast Saga, itâs been both a core component to the story being told and the way that these films have come together. F9 is about to prove both halves of that equation are still valid, as Vin Dieselâs franchise frontman is about to clash with his little brother, played by John Cena. And part of their conflict includes a wild stunt planned by director Justin Linâs own son. The specific F9 stunt weâre talking about is a moment from the first trailer released for the movie, where Cenaâs Jakob Toretto defies the laws of physics, thanks to an assist from Charlize Theronâs Cipher, and âa magnet planeâ. Seeing as the franchise already proved that âcars canât fly,â so much as they can glide between skyscrapers, Justin Lin was stuck on how to get Jakob from point A to a point B too far to jump through conventional means. Which lead to his son helping plan out the eventual solution, which Lin then revealed to Empire: