Hmm..fast descent can result in the
implosion of the inner ear rather than
explosion.
Solo diving is not recommendable, unless you have been properly trained as a self-sufficient diver. Even then, technical divers and to a certain extent, commercial divers, dive with a partner (buddy). Your life may depend on them in certain circumstances.
Imagine had the late John Bennett gone diving alone during his fatal dive and no one knew that he went diving. No one would have known that he had gone missing while diving.
Don't dive alone just to prove that you are macho.