Use APKPure App
Get Speedmeter GPS Earth Rotation old version APK for Android
Alat baru ini menampilkan kecepatan rotasi bumi di lokasi Anda saat ini
With this app you can see the velocity of the earth rotation depending of the latidude of your current location on the globe. This value varies from 0 at the north or south pole to around 1700 km/h
if you are at the earth equator.