The rate of fall is one Barrel per minute
Welcome Abdel, please read the rules that were in your welcoming e-mail. This forum, as was pointed out in that e-mail, is for introductions only. If you have a question, please post it in the appropriate forum and be sure to take the time to make it clear and fully thought out and link to appropriate sources.
A thread like this would not be acceptable in the main forum.
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