It is misleading.

How speed is measured:

Spiders were placed in a box with grid paper at the bottom, and a high-speed camera recording from above.

Comment from author:

He noted that while 3.59 metres per second was the absolute top speed, about as fast as a human jogging, it was only for "a fraction of a second".

"What we call maximum speed, is measured over very short periods of time," he said.