shock speed

例句：

1. 1.The car's shock absorber is designed to reduce the impact of bumps and vibrations.
   汽车的减震器设计用来减少颠簸和振动的影响。
2. 2. The new model has a shock absorber that can absorb up to 50% of the impact energy.
   新款模型配备了可以吸收高达50%冲击力的减震器。
3. 3. The impact speed of the projectile is calculated using the formula: v = u + at, where v is the velocity, u is the initial velocity, a is the acceleration due to gravity, and t is thetime.
   通过使用公式v=u+at来计算弹丸的冲击速度，其中v是速度，u是初始速度，a是由于重力导致的加速度，t是时间。