Recording Time vs speed
Feet
Meters
Speed
Time
Speed
Time
Speed
Time
1200
366
38
16
19
32
9,5
64
1800
549
38
24
19
48
9,5
96
2400
732
38
32
19
64
9,5
128
2500
762
38
33
19
67
9,5
134
3600
1097
38
48
19
96
9,5
193
NAB
AEG
DIN