How to make a Slow-Motion effect.

Hi :smiley: .It’s me again.Now I have a question about how to make a Slow-Motion effect.I’ve found a Post at this forum,where there was givven a link of a .blend file , where this effect was made with the help of properties(“easy to understand”-so it was said in the post),BUT the link doesnt work :frowning: .So, can you help me.

Link to the .blend file:

Cool :smiley: !!!Just what i was lookin for.Thanks NOR.J :smiley: .