a streamer goes down and covers a distance between two ports in 3 hours it covers the same distance In 5 hours when the streamer is coming upwards
if the speed of coming upwards is 4km/hr
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a streamer goes down and covers a distance between two ports in 3 hours it covers the same distance In 5 hours when the streamer is coming upwards
if the speed of coming upwards is 4km/hhr.
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