名词
中文翻译：初始速度
同义词：
['initial velocity', 'initial rate of speed']
例句：
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1.The car accelerates to its initial speed as it leaves the station.
当汽车离开车站时，它加速到初始速度。
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2.The plane's initial speed is determined by the weight of fuel and the altitude.
飞机的初始速度由燃料重量和高度决定。
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3. The projectile's initial speed is calculated using the formula: v = u + at, where v is the final speed, u is the initial speed, a is the acceleration due to gravity, and t is the time.
通过使用公式v=u+at计算弹丸的最终速度，其中v是最终速度，u是初始速度，a是由于重力引起的加速度，t是时间。