並前往https://books.google.com.tw/books?id=_4jYJUGG56cC&pg=PA114&lpg=PA114&dq=Variable+deceleration&source=bl&ots=zhq5w3jZiL&sig=ACfU3U1dtotBI4FYaTi3vkHCtFruoX1QQw&hl=zh-TW&sa=X&ved=2ahUKEwjvubC6oNH3AhULkokEHQBNBNgQ6AF6BQjdAhAD