2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/148266In the present contribution we propose a gedankenexperiment in which the restriction of rational values on the velocities emerges as a necessary condition from Classical Electromagnetism and Quantum Mechanics. This restriction is shown to be intimately connected to Dirac's electric charge quantization condition.4 pages IFUSP/P-1058High Energy Physics - Theorytext