I just received this email from Velocity:
Hello,
We were experiencing technical difficulties regarding connection and latency issues and it has been resolved.
If you feel that you are still having the same issues, please let us know so we can better assist you.
Once again, we apologize for the inconvenience this has caused.
Best Regards,
Operations
Velocity Futures, LLC
Houston - Chicago
USA
Tel: +01-312-780-7600
Fax: +01-312-276-8362