300KB/s is just over 1 Mbps. It's not just low it's dire. You'd be surprised how much needs to be downloaded to open a page in a browser. Takes 300Kbp/s to open Google search page on IE.
Have a word with AOL that your internet speed is bad. They can check the line. Be polite and say you're not happy with the service and if they will help or not. You can always move to another ISP.
Check broadband availability in your area.