Velocity of Flow (\( V \)):

\[ V = \sqrt{2 g H} \]

Where:

• \( V \) is the velocity of flow, in meters per second (m/s).
• \( g \) is the gravitational acceleration, typically \( 9.81 \, \text{m/s}^2 \).
• \( H \) is the height of water, in meters (m).