YOU SAID:

The running speed starts slowly, but gets faster each minute after you hear this signal. [beep] A single lap should be completed each time you hear this sound.

INTO JAPANESE

走行速度はゆっくりと始まりますが、この信号が聞こえると 1 分ごとに速くなります。 [ビープ] この音が鳴るたびに 1 周が完了します。

BACK INTO ENGLISH

The running speed starts slowly, but increases every minute when you hear this signal. [Beep] A lap is completed each time this sound is heard.

INTO JAPANESE

走行速度はゆっくりと始まりますが、この信号が聞こえると毎分速くなります。 【ビープ音】 この音が鳴るたびにラップが完了します。

BACK INTO ENGLISH

The running speed starts slowly, but increases every minute when you hear this signal. [Beep] A lap is completed each time this sound is heard.