Zhang Siyang
张思扬
Tape playback and recording speed is constant, with a standard speed of 4.76 centimeters per second (cm/s). I took a 5.37m length of tape, straightened it, and fixed it taut between two points in space. Its playback time was 1 minute and 53 seconds.
磁带播放和录制的速度是恒定的，标准速度是4.76 厘米每秒 (cm/s)。我将一段5.37m的磁带拉直固定在空间的两端，它的播放时长是1 分钟 53 秒。
Magnetic tape, duct tape
4.76 cm/s