the_simple_slow_time_code

here you have project that have red ball and green plaatform the code is in the node2d also read the label on the top right of the screen when you open project with godot 4.3 stabel and there code for how to slow time and make it go back work with any project you have 2d or 3d one also it not complicated  just slow the engine  time for calculation and so the world slow by it just like fast car is more power and slower car have less power hope it help and sorry for bad code