The ACES-II sounding rocket mission launched two payloads from Andøya Rocket Range into a post-dusk discrete auroral arc and observed field-aligned electron dispersions near inverted-V precipitation. Five repetitive suprathermal electron bursts (STEBs) associated with low frequency (< 8 Hz) Earth-ward traveling Alfvén waves are observed at 400 km altitude. The electron bursts occur both coincident and outside inverted-V electrons, with those nearest to inverted-V precipitation displaying higher peak energy and differential flux values than events further away. We interpret the events as wave-particle acceleration via inertial Alfvén waves along near-Earth field lines and employ time-of-flight methods to gauge source altitudes. We show the differences in STEB behavior are better explained by changes in the resonant source population and not from significant variation in Alfvén wave parameters, a result that agrees with previous simulated predictions.