need help on understanding this hw question

few years ago the Wall Street Journal reported that "U.S. productivity grew at the fastest clip in more than a year during the second quarter, signaling steady growth in the economy and a gauge of inflationarypressure dropped...." (emphasis added) andin the article entitled "Supply Side of Economy Is Flashing Strength" the author states that "you can boost economic growth in the short-run by juicing demand, such as with tax cuts or spending increases. But you can only sustain faster growth in the long-run with more workers producing goods and services more efficiently.Without labor force and productivity growth.....increased demand strains the economy's resources,spurring inflation...." (emphasis added).

What is the impact of productivity growth on a nation'sinflationrate or level?

heres the link to the article if you want to read it but im just confused on understanding the question ( just copy and paste the link)

https://s3.amazonaws.com/blackboard.learn.xythos.prod/5849b9bae4172/6463327?response-cache-control=private%2C%20max-age%3D21600&response-content-disposition=inline%3B%20filename%2A%3DUTF-8%27%27Supply%2520Side%2520of%2520the%2520Economy%2520Is%2520Flashing%2520Strength%2520-%2520WSJ.pdf&response-content-type=application%2Fpdf&X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Date=20200522T000000Z&X-Amz-SignedHeaders=host&X-Amz-Expires=21600&X-Amz-Credential=AKIAIL7WQYDOOHAZJGWQ%2F20200522%2Fus-east-1%2Fs3%2Faws4_request&X-Amz-Signature=b2e0c2e1b7d07efec8734cd7310855fa2660e3b860293e43b1dec951c1bf4aaf