Then, a smaller but extremely fast muscle lets everything rip.

然后，较小但速度极快的肌肉让一切都撕裂。

So, we can move our muscles very fast, but our body is in principle, able to also make models of the world just much, much slower.

所以， 我们可以非常快地移动我们的肌肉，但我们的身体原则上也能够让世界模型变得非常非常慢。