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El coche alcanzó una velocidad de 120 km/h.
The car reached a speed of 120 km/h.
The rate at which an object moves, measured in units like kilometers per hour (km/h) or meters per second (m/s).
La velocidad del sonido es aproximadamente 343 m/s.
The speed of sound is approximately 343 m/s.
El tren viaja a gran velocidad.
The train travels at high speed.
In physics, velocity is a vector quantity that includes both speed and direction.
'Velocidad' refers to speed with direction, while 'rapidez' is more general and informal.
In physics, 'velocidad' is a vector quantity, while 'rapidez' is a scalar quantity.
From Latin 'velocitas', meaning 'swiftness' or 'quickness'.
In everyday language, 'velocidad' is often used interchangeably with 'rapidez', though 'velocidad' is more precise in scientific contexts.