Fig. 3

Lagrangian acceleration statistics decomposed into Gaussian sub-ensembles. a The PDFs f(ɑ|α) of acceleration components conditional on α (colored lines) are all close to Gaussian. The unconditional PDF (red line) and a Gaussian distribution (black, dashed line) are plotted for comparison. b The conditional second-order moment of the acceleration increases slightly faster than linearly. c The flatness of the conditional acceleration is close to the Gaussian value three for a large range of α. The conditional ensemble average on α is denoted by 〈⋅|α〉