When marginal physical product(MPP) is falling and is positive at what rate total physical product(TPP) is changing - Economics - Production and Costs

Question

When marginal physical product(MPP) is falling and is positive
at what rate total physical product(TPP) is changing?

Sakshi · Answer

when MPP satrts falling,TPP tends to rise at increasing rate at
decreasing rate

When marginal physical product(MPP) is falling and is positive at what rate total physical product(TPP) is changing?