ぎりぎりなドアー

私は自動ドアーに近づいていくとき、いつもぎりぎり開きます。緩めないと、突き当たるようです。他の人はそういう問題があるか分かりませんが、ないと思います。私は素早く歩くかもしれません。もっといい説明が頭に浮かびません。
Whenever I walk up to an automatic door, it always opens at the very last second. Often, I have to slow down or I would crash into it. I don't know if other people have this problem, but I don't think they do. Perhaps I just walk too fast? I can't think of a better explanation.