I don't know how many feet it was or how many seconds, because it was the kind of experience that messes with your perception to say the least, but I was on a t

I don't know how many feet it was or how many seconds, because it was the kind of experience that messes with your perception to say the least, but I was on a transatlantic flight where the plane went into freefall and kept dropping long enough that I started to seriously worry that it wasn't going to stop. It was probably not more than a few second, but it was quite an unpleasant experience.