Źródło TeX:

\omega =\frac{d\alpha }{dt}=\frac{d}{dt}\operatorname{arctg} \left( \frac{v\,t}{h}\right) = \frac{1}{1+\left( \frac{v\, t}{h}\right) ^{2}}\cdot \frac{v}{h}=\frac{v\,h}{ h^{2}+d^{2}}