From my home connection (Rotterdam, the Netherlands) which is 16mbps it won't go over 250kb/s.
From Atlanta:
Connecting to 63.247.87.253:80... connected.
HTTP request sent, awaiting response... 200 OK
Length: 11,814,847 [text/plain]
100%[====================================>] 11,814,847 9.88M/s ETA 00:00
16:50:34 (9.88 MB/s) - `11mbtest' saved [11814847/11814847]
From Kansas City:
Connecting to 63.247.87.253:80... connected.
HTTP request sent, awaiting response... 200 OK
Length: 11,814,847 [text/plain]
100%[====================================>] 11,814,847 579.45K/s ETA 00:00
09:41:51 (579.45 KB/s) - `11mbtest' saved [11814847/11814847]
Both connections are 100mbps. I guess each one used a different bandwidth provider. Most likely one of these is just kinda slow.