並前往https://books.google.com.tw/books?id=upY1W4pO1TkC&pg=PT209&lpg=PT209&dq=Variable+deceleration&source=bl&ots=rx1x63ScAC&sig=ACfU3U3mjmjWY1dEGny0TftSSSV1ZGsbJg&hl=zh-TW&sa=X&ved=2ahUKEwjvubC6oNH3AhULkokEHQBNBNgQ6AF6BQjeAhAD