It will be faster for people to download if more people are seeding/uploading. People are literally receiving chunks of the files from the people seeding. The more people you are downloading from, the faster you will be downloading. There is no other way to speed it up except for making sure you are not slowing your connection by other downloads or by online pc games.
Also, check if firewalls are not slowing you down. Go and look at the Help menu on the program you are using to download, there should be guides somewhere with steps to help you make sure you are getting the most speed you can.