Collapsing Towers

I know I promised a tutorial which I still plan on making but I have to get my IB stuff done. Extended Essays and Lab Reports and ToK Essays... God! They are HORRIBLE! Anyway I was working with the MassFX physics engine to see what I could do and I formed this massive tower that in the digital world is about 10m high (Phew! Don't wanna look down that one!). To further understand how after effects was using in slow motion sequences and how it is used when there are reverse animations I dived into the Time Remapping tool. Now this feature is pretty simple and convenient and although I've heard it is said to be complex and hard I found it quite easy. I present the results: