"You mean to say," replied Barbicane, "to attain that neutral point where the terrestrial and lunar attractions are equal; for, starting from that point, situated about nine-tenths of the distance traveled over, the projectile would simply fall upon the moon, on account of its weight."
"So be it," said Michel; "but, once more; how could they calculate the initiatory speed?"
"Nothing can be easier," replied Barbicane.