How do I find the intensity value of a motion vector in unreal5?

How do I find the intensity value of a motion vector in unreal5?

If the number is too high, the image will be messy.
The range is too large to give values ​​one by one.
How do I get the exact values?

(This eagle was written using Google Translate.)

Hi there, I’m not sure how to check this but if you find out that would be a great resource to have for others using unreal engine 5