The number of cases of tuberculosis has risen because

The World Health Organization (WHO), ensures that there are five major deficiencies that hinder the fight against the disease: lack of access to drug resistance tests, an increase in the number of people with the multi-drug variant that does not receive treatment, the continued use of outdated models and expensive, limited access to promising new and reused drugs and a shortage of funds.

the speed increase from w to x due to increased gravity force

the speed decreases from x to y due to decrease in gravity