Below is on how the steps to try and troubleshoot the slow FTP access on your connection:
1.Open your FTP application.
2.Go to the FTP Options and locate Passive Mode.
In Filezilla, this is located under Edit » Settings
3. After that FTP » Transfer Mode. If Passive Mode is selected, un-select this option. If Passive Mode is not selected, select this option.
4. Lastly, click OK and try using your FTP again.
If the problem persist may directly get back to us at firstname.lastname@example.org