since you use a linksys router.. heres what you do.
In your browser type in the following: 192.168.1.1, and hit enter.
When the prompt comes up click on the password box and type admin.
This will take you do the linksys router page. Click on the orage button that says Advanced. Next click on forwarding.
Where it says Ext.Port, type in 6881 in the first box, 6889 in the second. Check the box that says Protocol TCP. Next, enter the last three digits to your ip the router gave you.
You can check this by going to Start-->Control Panel-->Network Connections-->Double-Click Local Area Connections-->Support. Where it says IP address, remember the last 3 digits, and enter them into the linksys page. After you enter the digits, click the box that says Enable, and hit the apply button.
Also, the speed of the torrent depends on how many seeds there are, and what kind of connnection those seeds may have.