Opera 12 browser extremely slow scrolling

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http://askubuntu.com – I'm a recent Ubuntu convert from the Windows side and my preferred browser is Opera 12. The problem I've come across is that the mouse wheel scrolling is agonizingly slow on my system, both with Opera's smooth scrolling feature turned off and on. Is there anyway to get the scrolling back to the buttery smoothness I'm used to on my Windows install? (HowTos)