속도로

In a sentence

• 그 자동차는 빠른 속도로 달리고 있습니다.

  The car is moving at a fast speed.

  Here, '속도로' (speed) describes the manner or rate at which the car is moving. The '-로' suffix indicates the tool or means.

• 수업이 진행되는 속도로 이해하기 어려웠습니다.

  It was hard to understand at the speed the class was progressing.

  In this sentence, '속도로' refers to the rate or pace of progression of the class, emphasizing its relative speed.

• 문제를 해결해야 할 속도로 시간이 흐르고 있습니다.

  Time is passing at a pace where the problem needs to be solved.

  Here, '속도로' describes the rate at which time is passing in a context implying urgency or necessity.