In this one hour tutorial I will explain valuetovalue, why I use it so much, different uses, and using it in different scenarios.
Download scene files: http://www.andvfx.com/2609/mastering-valuetovalue-operator/
Well, my particles are so smart that they learn how to use a computer, XD.
More information here: http://www.andvfx.com/1870/tp-ballistic-analysis
Thanks to Enric Lleonart for solving some equations.