If the acceleration is constant, the velocity changes at the same rate or said to be uniform.
The rate of change of velocity with respect to time is known as acceleration. According to Newton's second law, the eventual effect of all forces applied to a body is its acceleration.
The formula of the acceleration is;
[tex]\rm a= \frac{v-u}{t} \\\\[/tex]
When a high-speed train accelerates at a consistent rate in a straight path, the change in velocity is uniform.
Hence, if the acceleration is constant, the velocity changes at the same rate.
To learn more about acceleration, refer to the link;
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