Les montagnes russes

https://wonderopolis.org/wonder/how-do-roller-coasters-work

https://wonderopolis.org/wonder/Where-Is-the-Fastest-Roller-Coaster

https://www.youtube.com/watch?v=PsgCR4_hyYo

https://www.lesdebrouillards.com/experiences/conseil-de-yannick-montagnes-russes-et-physique-un-duo-energique/

https://www.scientificamerican.com/article/paper-roller-coasters/

https://www.scientificamerican.com/article/make-a-marble-roller-coaster/