|In the University I work for, access costs money and demand is almost unlimited during the day. Demand falls below the max contracted rate in the evening and overnight. If you still find it slow, look at the tools in dslreports.com. Try the tweak test and Dr TCP.|
In Canada and the US, there are high-speed academic networks: Internet2 and CANARIE. If you can, download from another site on either of these. E.g. sites like mit.edu have vast collections of mirrored software.