9.6 MB/s    0:28 min (data rate is lower but takes less time?)
10.0 MB/s    0:29 min (?)
10.1 MB/s    0:29 min (?)
10.3 MB/s    0:33 min (?)
10.5 MB/s    0:30 min

debian-9.9.0-amd64-netinst.i 100%[==============================================>] 292,00M  9,69MB/s    in 29s

2019-07-17 12:24:25 (10,1 MB/s) - "debian-9.9.0-amd64-netinst.iso.1" saved [306184192/306184192]