How can I slow down the playback speed of this video?

The earth's gravitation is pulling us towards the ground.

She is my sworn younger sister, always supporting me.

I plan to go to the tax office tomorrow.

He acted according to my instructions one by one.

I am working now.

There is a big TV in my living room.

The progress of technology from the past to the present is astonishing.

I use a timer to measure the time for cooking.

She caught a glimpse of the neighbor's garden through the window.