With gravity alone, a feather falls at the same speed as a rock. You forget that there is air (a fluid) in the atmosphere and that offers more drag to a feather, than a rock.
https://www.youtube.com/watch?v=KDp1tiUsZw8
There are those that think it was in a studio OFC
https://www.youtube.com/watch?v=KDp1tiUsZw8
There are those that think it was in a studio OFC