ACCORDING_TO_DUPUIT‚ÄÖ√Ñ√∂‚ÀÖ√Ë‚ÀÖ¬•S_THEORY_,THE_VELOCITY_OF_FLOW_IS_PROPORTIONAL_TO__________?$#

• A. Sine of hydraulic gradient
• B. Tangent of hydraulic gradient
• C. None of the mentioned
• D. All of the mentioned