initial acceleration

[/ɪˈnɪʃəl ˌækseləˈreɪʃən/]
nounpl: initial accelerations
aceleração inicial
1. The rate of change of velocity at the beginning of motion or when a force is first applied to an object
The car's initial acceleration was impressive, reaching 60 mph in just 5 seconds.
A aceleração inicial do carro foi impressionante, atingindo 96 km/h em apenas 5 segundos.
2. In physics, the instantaneous acceleration at time t=0 in a motion equation
The initial acceleration of the particle can be determined from the derivative of the velocity function at t=0.
A aceleração inicial da partícula pode ser determinada a partir da derivada da função de velocidade em t=0.
3. In engineering and automotive contexts, the ability of a vehicle to gain speed quickly from a standstill
The sports car's initial acceleration demonstrates its powerful engine performance.
A aceleração inicial do carro esportivo demonstra o desempenho de seu motor poderoso.
In Brazilian automotive culture, 'aceleração inicial' is commonly discussed among car enthusiasts and in performance comparisons. The term is widely used in automotive journalism, engineering education, and vehicle specifications. In the USA, the concept is often referred to colloquially as 'zero-to-sixty' performance, which measures acceleration from a standstill to 60 mph.
NYC Slang
zero-to-sixty acceleration
Synonyms / Sinônimos
starting accelerationfirst accelerationzero-time accelerationaceleração de partida
Antonyms / Antônimos
decelerationnegative accelerationbrakingdesaceleração

Regional Variations

General Brazilian Portuguese
aceleração inicial
Standard term used in physics and automotive contexts throughout Brazil
Rio de Janeiro
aceleração inicial
Common usage in automotive enthusiast communities
São Paulo
aceleração inicial
Widely used in engineering and automotive sectors
Portugal
aceleração inicial
Standard European Portuguese equivalent; same term used

Related Words

velocitymotionforcekinematicsaccelerationmomentumdynamics

Related Idioms & Phrases

hit the ground running
get off to a fast start
sair do zero
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