Operator ∇ inner products on both sides of Combination Boyles’ law and Chares (“B-C law” in short), we got the “Wind Speed Equation a Point Air” (“Wind Equation” short). It suits for describing straight-line motion, states that mu ̇ is proportion to ∇•T. outer (where T replaced by T), get “Rotation (“Rotation vector partial differential equation (PDE), circular motion. (mu ) T. Its solution foun...