I already explained what to do. I'll help you this time, you lazy bum, but in the future your on your own.

You sure it's six? That means on speedtest.net it shows forty-eight Mb/s. Check for yourself. Also download with one chunk and one download, then tell me the speed the download is after one minute of downloading, because I don't have a K2S premium account. Then I can tell you.

Side Note: Not that it matters, but if K2S doesn't have at least six MB/s, per connection, then they're a piece of s*** host, because free accounts from other less popular sites have way more than that.