I tried downloading a game with th ubuntu software center and it still feels kind of slow. I tried this to determin my speed more accuratly. dont know if its a good test for this purpose but i read it on some post.
ping -c3 220.127.116.11
PING 18.104.22.168 (22.214.171.124) 56(84) bytes of data.
64 bytes from 126.96.36.199: icmp_req=1 ttl=51 time=42.8 ms
64 bytes from 188.8.131.52: icmp_req=2 ttl=51 time=43.1 ms
64 bytes from 184.108.40.206: icmp_req=3 ttl=51 time=42.1 ms
--- 220.127.116.11 ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2003ms
rtt min/avg/max/mdev = 42.180/42.716/43.127/0.396 ms