Chris:
I would suggest a buffer size to control the rate of transfer for larger files.
I would also running the ftp program with the nice option.
,Ron

$ *nice -n 5 ~/bin/longtask*

FTP [-*options*] [-s:*filename*] [-w:*buffer*] [*host*]


-w:*buffer*     Set buffer size to *buffer*
                 (default=4096)
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