He headed briskly toward the station.
足早な足音が近づいてきた。
Quick footsteps approached.
Describes the swift passage of time. Less common than the walking sense.
足早に過ぎる時間を惜しむ。
I regret the swift passage of time.
He walked briskly toward the station.
She hurriedly left the scene.
He briskly passed through the crowd.
Summer passed by swiftly.